<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise.reject封装</title>
    <!-- <script src="./Promise.js"></script> -->
</head>
<body>
    <script>
        const p1=Promise.reject('error');
        const p2=Promise.reject(new Promise((resolve,reject)=> {
            resolve('fail');
        }));

        console.log(p1);
        console.log(p2);
    </script>
</body>
</html>